I was playing on a server from a friend (experimental version) when, suddenly, I seemed to fall through the floor of the map. I was just running around over a hill when it happened. I kept falling, the screen was black and I repeatedly got "you have been playing for 0 hours" messages. Pressing ESC did nothing, so I forcefully closed the game with task manager. When I joined the game again, it was working fine for about a minute, after which the same thing happened, this time in a different location on the map. When I was disconnected, my friend saw my character stuck in the running animation.
When I joined a third time, my character just died. When I tried to respawn, the game got stuck on the loading screen with the Ficsit tips. I tried rejoining and crashed, though this might have been due to the fact that the server was restarting at that moment. After the server was restarted, I tried to join again and now I seem to be getting a time-out every time I try to join. Here is a screenshot of the bug.